Is 240 a good study guide for the Praxis Middle School Science (5440)?

Yes. The 240 study guide is built around the official exam framework and this page shows detailed alignment domain by domain and competency by competency.

Top study guides

TExES Core Subjects EC-6 (391): Complete

TExES Pedagogy and Professional Responsibilities EC–12 (PPR)

TX PACT: Pre-Admission Content Test

Foundations of Reading

TExES English as a Second Language Supplemental (ESL)

240's Praxis Middle School Science Study Guide Is 90% Test-Aligned

Q: How closely does 240 align to the Praxis Middle School Science (5440) exam?

This guide is 90% test-aligned based on a competency-by-competency review of the official framework and the study resources included in the guide.

Q: Does 240 cover every competency?

Coverage is shown transparently across covered, partially covered, and identified gaps: 197 covered, 47 partially covered, and 0 gaps across 244 competencies.

Q: What does "partially covered" mean?

Partially covered means the guide addresses the core parts of a competency, but some depth or subtopics may still be limited.

240's Praxis Middle School Science study guide is built around the official exam framework so you can study what is actually tested. This page shows exactly how the guide maps to the real exam — SMR by SMR and competency by competency — so you can see where coverage is strongest, where some depth gaps remain, and how each part of the guide supports your prep.

See Full Alignment Details

90%

test-aligned

197

Fully covered

Partially covered

Coverage gap

Based on a competency-by-competency review of the official framework and the lessons, practice questions, flashcards, videos, and study materials included in this guide.

2666

Practice Questions

1267

Flashcards

250

Study Materials

Videos

Why Test Alignment Matters for Your Praxis Middle School Science Study Guide

Certification test standards are broad, but the exam questions are very specific. Our team of curriculum experts uses the 240 Study Guide Creation Process to ensure the most aligned, specific content for your Praxis Middle School Science (5440) test — so you are not wasting time on broad subject review that may not show up on exam day.

Why 240 Is the Best Choice for the Praxis 5440 Study Guide

✓Built around the official exam framework
✓Organized by the competencies actually used on the exam
✓Shows exactly what is covered and where depth is partial
✓Includes aligned questions, flashcards, study materials, and videos
✓Helps candidates study what is actually tested instead of broad generic content

Transparent coverage is a strength. We show where the guide is strong, where depth is partial, and where a gap has been identified so you can make an informed study decision.

How to Read This Alignment Review

6 domains · 244 competencies reviewed · 90% test-aligned

Covered— competency is comprehensively supported by the guide

Partially covered— core content is covered, but some depth gaps remain

Coverage gap identified— a content gap has been identified

✓

This study guide is based on the current official exam framework

We review and update alignment whenever the official framework changes so candidates are always studying current, accurate material.

SCIENTIFIC INQUIRY, METHODOLOGY, TECHNIQUES, AND HISTORY (DOMAIN I) Partially covered

SMR I.A Understands methods of scientific inquiry and how they are used in basic problem solving

154 Qs11 Materials38 Cards3 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Observations, hypotheses, experiments, conclusions, theories, models, and laws	S.Evidence, Models, and Explanation; S.Models; S.Scientific Method; S.Prediction, Explanation, Theory, Fact	Covered	55	4	16	2	Covered by 4 topics (55 questions, 4 materials, 16 cards, 2 videos).
2. Experimental design, including independent and dependent variables, controls, and sources of error	S.Experimental Investigations; S.Error In Measurements	Covered	36	2	11	1	Covered by 2 topics (36 questions, 2 materials, 11 cards, 1 videos).
3. Nature of scientific knowledge - subject to change, consistent with evidence, based on reproducible evidence	S.Evidence, Models, and Explanation; S.Repeatability	Covered	25	2	3	0	Covered by 2 topics (25 questions, 2 materials, 3 cards, 0 videos).
4. Nature of scientific knowledge - unifying concepts and processes (e.g., systems, models, constancy and change, equilibrium, form and function)	S.Properties of Systems; S.Change In Systems; S.Form and Function; S.Change, Constancy, and Measurements; S.Evidence, Models, and Explanation; S.Scientific Method	Covered	85	6	23	1	Covered by 6 topics (85 questions, 6 materials, 23 cards, 1 videos).

SMR I.B Understands the processes involved in scientific data collection and manipulation

112 Qs6 Materials21 Cards3 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Common units of measurement, including prefixes such as milli and kilo (e.g., units of length, time, mass, volume, pressure, energy, force)	S.Metric System	Covered	11	1	4	1	Covered by 1 topic (11 questions, 1 materials, 4 cards, 1 videos).
2. Scientific notation and significant figures	S.Significant Figures	Covered	17	1	2	0	Covered by 1 topic (17 questions, 1 materials, 2 cards, 0 videos).
3. Organization and presentation of data (e.g., graphs, tables, charts)	S.Best Chart for the Data	Covered	13	1	9	0	Covered by 1 topic (13 questions, 1 materials, 9 cards, 0 videos).
4. Basic error analysis (e.g., accuracy, precision)	S.Precision vs Accuracy	Partially covered	7	1	2	0	Partial coverage by 1 topic (7 questions, 1 materials, 2 cards, 0 videos); limited supporting content.
5. Basic descriptive statistics (e.g., calculate averages, distinguish between mean, mode, and median)	M.Measures of Center and Range; M.Choosing Measures of Center	Covered	64	2	4	2	Covered by 2 topics (64 questions, 2 materials, 4 cards, 2 videos).

SMR I.C Knows how to interpret and draw conclusions from data presented in tables, graphs, and charts

25 Qs3 Materials14 Cards0 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Notes
1. Trends in data	S.Trend Analysis of Scatterplots	Covered	3	1	8	Covered by 1 topic (3 questions, 1 materials, 8 cards, 0 videos).
2. Relationships between variables	S.Best Chart for the Data	Covered	13	1	9	Covered by 1 topic (13 questions, 1 materials, 9 cards, 0 videos).
3. Predictions based on data	S.Best Chart for the Data; S.Proper Data Analysis	Covered	22	2	9	Covered by 2 topics (22 questions, 2 materials, 9 cards, 0 videos).
4. Drawing conclusions based on evidence	S.Best Chart for the Data; S.Proper Data Analysis	Covered	22	2	9	Covered by 2 topics (22 questions, 2 materials, 9 cards, 0 videos).

SMR I.D Is familiar with the procedures for safe and correct preparation, storage, use, and disposal of laboratory materials

27 Qs1 Materials2 Cards0 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Notes
1. Safe storage	S.Safety Rules	Covered	27	1	2	Covered by 1 topic (27 questions, 1 materials, 2 cards, 0 videos).
2. Proper and safe disposal (e.g., chemicals, biohazards)	S.Safety Rules	Covered	27	1	2	Covered by 1 topic (27 questions, 1 materials, 2 cards, 0 videos).
3. Proper preparation	S.Safety Rules	Covered	27	1	2	Covered by 1 topic (27 questions, 1 materials, 2 cards, 0 videos).
4. Use of equipment such as fume hoods	S.Safety Rules	Covered	27	1	2	Covered by 1 topic (27 questions, 1 materials, 2 cards, 0 videos).

SMR I.E Understands safety and emergency procedures in the laboratory

33 Qs2 Materials2 Cards0 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Notes
1. Equipment (e.g., eyewash stations, safety showers)	S.Safety Rules	Covered	27	1	2	Covered by 1 topic (27 questions, 1 materials, 2 cards, 0 videos).
2. Appropriate student apparel and behavior (e.g., goggles, clothing)	S.Safety Rules	Covered	27	1	2	Covered by 1 topic (27 questions, 1 materials, 2 cards, 0 videos).
3. Emergency procedures for minor burns and other injuries	S.Emergency Procedures	Partially covered	6	1	1	Partial coverage by 1 topic (6 questions, 1 materials, 1 cards, 0 videos); limited supporting content.
4. Emergency procedures for mishaps (e.g., fires, chemical spills)	S.Emergency Procedures	Partially covered	6	1	1	Partial coverage by 1 topic (6 questions, 1 materials, 1 cards, 0 videos); limited supporting content.
5. Evacuation procedures	S.Emergency Procedures	Partially covered	6	1	1	Partial coverage by 1 topic (6 questions, 1 materials, 1 cards, 0 videos); limited supporting content.

SMR I.F Is familiar with how to use standard equipment in the laboratory

11 Qs2 Materials11 Cards0 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Appropriate use of equipment (e.g., thermometers, microscopes, barometers, graduated cylinders, Bunsen burners, balances, pH meters)	S.Proper Handling - Chemicals; S.Proper Tool Use	Covered	11	2	11	0	Covered by 2 topics (11 questions, 2 materials, 11 cards, 0 videos).
2. Basic care, preparation, and maintenance of equipment	S.Proper Tool Use	Partially covered	5	1	2	0	Partial coverage by 1 topic (5 questions, 1 materials, 2 cards, 0 videos); limited supporting content.

SMR I.G Is familiar with the historical developments of science and the contributions of major historical figures

32 Qs3 Materials109 Cards0 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. How major concepts developed over time (e.g., atomic models, genetics, plate tectonics)	S.Key History of Science	Covered	18	1	60	0	Covered by 1 topic (18 questions, 1 materials, 60 cards, 0 videos).
2. Key historical figures and their contributions	S.Key History of Space Science; S.Diversity in Science History	Covered	14	2	50	0	Covered by 2 topics (14 questions, 2 materials, 50 cards, 0 videos).

BASIC PRINCIPLES OF MATTER AND ENERGY (DOMAIN II) Partially covered

SMR II.A Is familiar with the structure and properties of matter

51 Qs6 Materials18 Cards2 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Solids, liquids, gases, and plasmas	S.States of Matter; S.Plasma	Covered	17	2	5	1	Covered by 2 topics (17 questions, 2 materials, 5 cards, 1 videos).
2. Elements, atoms, compounds, molecules, and mixtures	S.Atoms and Molecules; S.Elements and Compounds; S.Mixtures and Solutions	Covered	31	3	13	1	Covered by 3 topics (31 questions, 3 materials, 13 cards, 1 videos).
3. Occurrence and abundance of the elements and their isotopes	S.Abundance of Elements	Partially covered	3	1	0	0	Partial coverage by 1 topic (3 questions, 1 materials, 0 cards, 0 videos); limited supporting content.

SMR II.B Knows the basic relationships between energy and matter

147 Qs13 Materials85 Cards3 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Conservation of energy (first law of thermodynamics)	S.Conservation of Energy Calculations	Covered	8	1	1	0	Covered by 1 topic (8 questions, 1 materials, 1 cards, 0 videos).
2. Entropy changes (second law of thermodynamics)	S.Laws of Thermodynamics	Covered	8	1	9	0	Covered by 1 topic (8 questions, 1 materials, 9 cards, 0 videos).
3. Conservation of matter in chemical systems	S.Conservation of Matter and Energy	Covered	12	1	2	0	Covered by 1 topic (12 questions, 1 materials, 2 cards, 0 videos).
4. Forms of kinetic and potential energy (thermal, chemical, radiant, mechanical)	S.Types of Energy	Covered	29	1	8	1	Covered by 1 topic (29 questions, 1 materials, 8 cards, 1 videos).
5. Energy transformations	S.Types of Energy	Covered	29	1	8	1	Covered by 1 topic (29 questions, 1 materials, 8 cards, 1 videos).
6. Chemical and physical properties/changes	S.Physical Properties; S.Chemical Properties; S.Chemical vs Physical Changes	Covered	37	3	38	1	Covered by 3 topics (37 questions, 3 materials, 38 cards, 1 videos).
7. Temperature scales (e.g., Celsius, Fahrenheit, and Kelvin; comparisons and conversions between the scales)	S.Heat vs Temperature	Covered	11	1	3	0	Covered by 1 topic (11 questions, 1 materials, 3 cards, 0 videos).
8. Effect of thermal energy on matter and the measurement of thermal energy (e.g., specific heat capacity, joules)	S.Applications of Conservation of Energy	Covered	8	1	12	0	Covered by 1 topic (8 questions, 1 materials, 12 cards, 0 videos).
9. Methods of heat transfer (e.g., convection, radiation, conduction)	S.Conduction, Convection, and Radiation	Covered	17	1	4	1	Covered by 1 topic (17 questions, 1 materials, 4 cards, 1 videos).
10. Interdisciplinary applications of energy and matter relationships (a. trophic levels, b. matter cycling and energy flow in ecosystems, c. convection currents in atmosphere, ocean, and mantle, d. cons	S.Conduction, Convection, and Radiation; S.Types of Energy Transfers By Humans; S.Types of Energy Transfers in Ecology; S.Types of Energy Transfers in Space	Covered	34	4	21	1	Covered by 4 topics (34 questions, 4 materials, 21 cards, 1 videos).

SMR II.C Knows the basic structure of the atom

58 Qs7 Materials43 Cards1 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Atomic models	S.Atomic Models	Covered	6	1	5	0	Covered by 1 topic (6 questions, 1 materials, 5 cards, 0 videos).
2. Atomic structure including electrons, protons, and neutrons	S.Parts of an Atom	Covered	11	1	7	1	Covered by 1 topic (11 questions, 1 materials, 7 cards, 1 videos).
3. Atomic number and mass	S.Periodic Table	Covered	7	1	16	0	Covered by 1 topic (7 questions, 1 materials, 16 cards, 0 videos).
4. Ions	S.Ions	Partially covered	6	1	4	0	Partial coverage by 1 topic (6 questions, 1 materials, 4 cards, 0 videos); limited supporting content.
5. Electron arrangements	S.Electron Arrangements	Covered	9	1	7	0	Covered by 1 topic (9 questions, 1 materials, 7 cards, 0 videos).
6. Radioisotopes, radioactive decay, half-life, fusion, and fission	S.Radioactivity	Covered	14	1	7	0	Covered by 1 topic (14 questions, 1 materials, 7 cards, 0 videos).
7. Applications of radioactivity (e.g., carbon dating, evidence for evolution, medical imaging)	S.Applications of Radioactivity	Partially covered	5	1	1	0	Partial coverage by 1 topic (5 questions, 1 materials, 1 cards, 0 videos); limited supporting content.

PHYSICAL SCIENCES (DOMAIN III) Partially covered

SMR III.A Physics - Mechanics

53 Qs6 Materials40 Cards1 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Describe linear and circular motion in one and two dimensions	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.
2. Newton’s first law: inertia	S.Newton's First Law	Partially covered	4	1	0	0	Partial coverage by 1 topic (4 questions, 1 materials, 0 cards, 0 videos); limited supporting content.
3. Friction	S.Force and Newton's Laws	Covered	29	1	12	1	Covered by 1 topic (29 questions, 1 materials, 12 cards, 1 videos).
4. Work, energy, power	S.Work, Energy, Power - Calculations	Covered	8	1	4	0	Covered by 1 topic (8 questions, 1 materials, 4 cards, 0 videos).
5. Mass, weight, and gravity	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.
6. Motion and forces in a physical situation	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.
7. Simple machines and mechanical advantage	S.Mechanical Advantage; S.Simple Machines - Advanced	Covered	9	2	22	0	Covered by 2 topics (9 questions, 2 materials, 22 cards, 0 videos).
8. Physical properties of fluids (e.g., buoyancy, density, pressure)	S.Physical Properties of Fluids	Partially covered	3	1	4	0	Partial coverage by 1 topic (3 questions, 1 materials, 4 cards, 0 videos); limited supporting content.

SMR III.B Physics - Electricity and magnetism

0 Qs0 Materials0 Cards0 VideosCoverage gap identified

Official Competency	Matching 240 Topics	Alignment	Notes
1. Electrical nature of materials	None	Coverage gap identified	No matching topic found in the study guide.
2. Analyze basic series and parallel electrical circuits	None	Coverage gap identified	No matching topic found in the study guide.
3. Magnetic fields and forces	None	Coverage gap identified	No matching topic found in the study guide.

SMR III.C Physics - Waves and Optics

0 Qs0 Materials0 Cards0 VideosCoverage gap identified

Official Competency	Matching 240 Topics	Alignment	Notes
1. Characteristics of light and the electromagnetic spectrum	None	Coverage gap identified	No matching topic found in the study guide.
2. Basic characteristics and types of waves	None	Coverage gap identified	No matching topic found in the study guide.
3. Basic wave phenomena	None	Coverage gap identified	No matching topic found in the study guide.
4. Basic characteristics and phenomena of sound	None	Coverage gap identified	No matching topic found in the study guide.
5. Basic optics	None	Coverage gap identified	No matching topic found in the study guide.

SMR III.D Chemistry

0 Qs0 Materials0 Cards0 VideosCoverage gap identified

Official Competency	Matching 240 Topics	Alignment	Notes
1. Is familiar with how to use the periodic table to predict the physical and chemical properties of elements	None	Coverage gap identified	No matching topic found in the study guide.
2. Knows the types of chemical bonding and the composition of simple chemical compounds	None	Coverage gap identified	No matching topic found in the study guide.
3. Understands states of matter and phase changes between them	None	Coverage gap identified	No matching topic found in the study guide.
4. Knows how to balance and use simple chemical equations	None	Coverage gap identified	No matching topic found in the study guide.
5. Understands basic concepts in acid-base chemistry	None	Coverage gap identified	No matching topic found in the study guide.
6. Is familiar with solutions and solubility	None	Coverage gap identified	No matching topic found in the study guide.
7. Factors affecting the dissolving process and solubility of substances	None	Coverage gap identified	No matching topic found in the study guide.

LIFE SCIENCES (DOMAIN IV) Partially covered

SMR IV.A Understands basic structure and function of cells and their organelles

62 Qs5 Materials35 Cards4 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Structure and function of cell membranes	S.Membrane Transport	Partially covered	4	1	3	1	Partial coverage by 1 topic (4 questions, 1 materials, 3 cards, 1 videos); limited supporting content.
2. Structure and function of cell organelles	S.Parts of the Cell	Covered	27	1	14	1	Covered by 1 topic (27 questions, 1 materials, 14 cards, 1 videos).
3. Levels of organization	S.Cells, Tissues, Organs, Organ Systems	Covered	11	1	6	1	Covered by 1 topic (11 questions, 1 materials, 6 cards, 1 videos).
4. Major cell types	S.Types of Cells	Covered	8	1	9	0	Covered by 1 topic (8 questions, 1 materials, 9 cards, 0 videos).
5. Prokaryotes and eukaryotes	S.Eukaryotic vs Prokaryotic	Covered	12	1	5	1	Covered by 1 topic (12 questions, 1 materials, 5 cards, 1 videos).

SMR IV.B Understands basic cell reproduction

40 Qs4 Materials36 Cards1 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Cell cycle	S.Ecological Organization; S.The Cell Cycle	Covered	16	2	9	1	Covered by 2 topics (16 questions, 2 materials, 9 cards, 1 videos).
2. Mitosis	S.Mitosis	Covered	13	1	16	0	Covered by 1 topic (13 questions, 1 materials, 16 cards, 0 videos).
3. Meiosis	S.Meiosis	Covered	11	1	15	0	Covered by 1 topic (11 questions, 1 materials, 15 cards, 0 videos).
4. Cytokinesis	S.Meiosis	Covered	11	1	15	0	Covered by 1 topic (11 questions, 1 materials, 15 cards, 0 videos).

SMR IV.C Is familiar with the basic biochemistry of life

40 Qs4 Materials22 Cards2 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Cellular respiration	S.Respiration	Covered	11	1	8	0	Covered by 1 topic (11 questions, 1 materials, 8 cards, 0 videos).
2. Photosynthesis	S.Photosynthesis; S.Photosynthesis Reactions	Covered	16	2	8	1	Covered by 2 topics (16 questions, 2 materials, 8 cards, 1 videos).
3. Biological molecules	S.Macromolecules	Covered	13	1	7	1	Covered by 1 topic (13 questions, 1 materials, 7 cards, 1 videos).

SMR IV.D Understands basic genetics

87 Qs8 Materials36 Cards2 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. DNA structure	S.Structure of DNA and RNA; S.Organization of DNA	Covered	17	2	6	0	Covered by 2 topics (17 questions, 2 materials, 6 cards, 0 videos).
2. Replication, transcription, and translation	S.DNA Replication; S.Transcription; S.Translation	Covered	25	3	18	0	Covered by 3 topics (25 questions, 3 materials, 18 cards, 0 videos).
3. Dominant and recessive alleles	S.Dominant vs Recessive	Covered	11	1	8	1	Covered by 1 topic (11 questions, 1 materials, 8 cards, 1 videos).
4. Mendelian inheritance	S.Punnett Squares	Covered	21	1	3	1	Covered by 1 topic (21 questions, 1 materials, 3 cards, 1 videos).
5. Mutations, chromosomal abnormalities, and common human genetic disorders	S.Common Human Mutations	Covered	13	1	4	0	Covered by 1 topic (13 questions, 1 materials, 4 cards, 0 videos).

SMR IV.E Understands the theory and key mechanisms of evolution

48 Qs4 Materials13 Cards1 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Mechanisms of evolution	S.Adaptations; S.Macroevolution Methods	Covered	25	2	9	1	Covered by 2 topics (25 questions, 2 materials, 9 cards, 1 videos).
2. Isolation mechanisms and speciation	S.Genetic Isolation and Speciation	Partially covered	7	1	2	0	Partial coverage by 1 topic (7 questions, 1 materials, 2 cards, 0 videos); limited supporting content.
3. Supporting evidence	S.Macroevolution Evidence	Covered	16	1	2	0	Covered by 1 topic (16 questions, 1 materials, 2 cards, 0 videos).

SMR IV.F Knows the elements of the hierarchical classification scheme and the characteristics of the major groups of organisms

38 Qs2 Materials21 Cards0 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Classification schemes	S.Major Groups of Eukaryotic Life	Covered	32	1	20	0	Covered by 1 topic (32 questions, 1 materials, 20 cards, 0 videos).
2. Characteristics of animals, plants, fungi, protists, and monera	S.Dichotomous Keys	Partially covered	6	1	1	0	Partial coverage by 1 topic (6 questions, 1 materials, 1 cards, 0 videos); limited supporting content.

SMR IV.G Knows the major structures and functions of plant organs and systems

59 Qs6 Materials30 Cards2 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Characteristics of vascular and nonvascular plants	S.Vascular vs Nonvascular Plants	Covered	13	1	1	0	Covered by 1 topic (13 questions, 1 materials, 1 cards, 0 videos).
2. Control mechanisms and responses to stimuli	S.Plant Stimuli Responses	Partially covered	2	1	3	0	Partial coverage by 1 topic (2 questions, 1 materials, 3 cards, 0 videos); limited supporting content.
3. Structure and function of leaves, roots, and stems	S.Plant Systems Basics	Covered	17	1	4	1	Covered by 1 topic (17 questions, 1 materials, 4 cards, 1 videos).
4. Asexual and sexual reproduction	S.Plant Reproduction	Covered	15	1	16	0	Covered by 1 topic (15 questions, 1 materials, 16 cards, 0 videos).
5. Uptake and transport of nutrients and water	S.Plant Transportation	Covered	10	1	6	1	Covered by 1 topic (10 questions, 1 materials, 6 cards, 1 videos).
6. Growth	S.Plant Growth	Partially covered	2	1	2	0	Partial coverage by 1 topic (2 questions, 1 materials, 2 cards, 0 videos); limited supporting content.

SMR IV.H Knows the basic anatomy and physiology of animals, including structure and function of human body systems and the major differences between humans and other animals

132 Qs13 Materials57 Cards1 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Homeostasis	S.Homeostasis; S.Structures and Processes of Homeostasis	Covered	36	2	2	0	Covered by 2 topics (36 questions, 2 materials, 2 cards, 0 videos).
2. Exchange with the environment	S.Human Body Systems; S.Exchange; S.Digestion and Excretory	Covered	35	3	19	1	Covered by 3 topics (35 questions, 3 materials, 19 cards, 1 videos).
3. Internal transport and exchange	S.Internal Transport	Covered	5	1	7	0	Covered by 1 topic (5 questions, 1 materials, 7 cards, 0 videos).
4. Movement and support	S.Movement and Support	Covered	6	1	7	0	Covered by 1 topic (6 questions, 1 materials, 7 cards, 0 videos).
5. Reproduction and development	S.Reproduction and Development; S.Sexual Reproduction; S.Asexual Reproduction	Covered	31	3	12	0	Covered by 3 topics (31 questions, 3 materials, 12 cards, 0 videos).
6. Immune systems	S.Immune Systems	Covered	8	1	4	0	Covered by 1 topic (8 questions, 1 materials, 4 cards, 0 videos).
7. Control systems	S.Control Systems	Covered	6	1	7	0	Covered by 1 topic (6 questions, 1 materials, 7 cards, 0 videos).
8. Response to stimuli and other organismal behavior	S.Animal Stimuli Responses	Partially covered	5	1	2	0	Partial coverage by 1 topic (5 questions, 1 materials, 2 cards, 0 videos); limited supporting content.

SMR IV.I Knows key aspects of ecology

0 Qs0 Materials0 Cards0 VideosCoverage gap identified

Official Competency	Matching 240 Topics	Alignment	Notes
1. Population dynamics	None	Coverage gap identified	No matching topic found in the study guide.
2. Community ecology	None	Coverage gap identified	No matching topic found in the study guide.
3. Ecosystems	None	Coverage gap identified	No matching topic found in the study guide.

EARTH AND SPACE SCIENCES (DOMAIN V) Partially covered

SMR V.A Is familiar with physical geology

20 Qs1 Materials9 Cards1 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Types and characteristics of rocks, minerals, and their formation processes	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.
2. Processes involved in erosion, weathering, and deposition of Earth’s surface materials and soil formation	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.
3. Earth’s basic structure and internal processes	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.
4. Water cycle	S.Water Cycle	Covered	20	1	9	1	Covered by 1 topic (20 questions, 1 materials, 9 cards, 1 videos).

SMR V.B Is familiar with Historical Geology

58 Qs5 Materials32 Cards0 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Notes
1. Principle of uniformitarianism	S.Uniformitarianism	Partially covered	5	1	2	Partial coverage by 1 topic (5 questions, 1 materials, 2 cards, 0 videos); limited supporting content.
2. Basic principles of stratigraphy	S.Stratigraphy	Covered	15	1	6	Covered by 1 topic (15 questions, 1 materials, 6 cards, 0 videos).
3. Relative and absolute time	S.Earth's History	Covered	10	1	13	Covered by 1 topic (10 questions, 1 materials, 13 cards, 0 videos).
4. Geologic time scale	S.Earth's History	Covered	10	1	13	Covered by 1 topic (10 questions, 1 materials, 13 cards, 0 videos).
5. Fossil formation and the fossil record	S.Formation of Fossils	Covered	20	1	3	Covered by 1 topic (20 questions, 1 materials, 3 cards, 0 videos).
6. Important events in Earth’s geologic history	S.Earth's History - Key Events	Covered	8	1	9	Covered by 1 topic (8 questions, 1 materials, 9 cards, 0 videos).

SMR V.C Is familiar with the structure and processes of Earth’s oceans and other bodies of water

83 Qs9 Materials61 Cards0 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Notes
1. Geographic location of Earth’s oceans and seas	S.Bodies of Water	Covered	10	1	13	Covered by 1 topic (10 questions, 1 materials, 13 cards, 0 videos).
2. Tides, waves, and currents	S.Air Masses and Ocean Currents; S.Tides	Covered	25	2	16	Covered by 2 topics (25 questions, 2 materials, 16 cards, 0 videos).
3. Estuaries and barrier islands	S.Shoreline Features	Covered	8	1	9	Covered by 1 topic (8 questions, 1 materials, 9 cards, 0 videos).
4. Island, reef, and atoll formation	S.Island Features	Partially covered	4	1	4	Partial coverage by 1 topic (4 questions, 1 materials, 4 cards, 0 videos); limited supporting content.
5. Polar ice caps, icebergs, and glaciers	S.Ice	Partially covered	6	1	3	Partial coverage by 1 topic (6 questions, 1 materials, 3 cards, 0 videos); limited supporting content.
6. Lakes, ponds, streams, rivers, and river deltas	S.Bodies of Water; S.River Features	Covered	17	2	23	Covered by 2 topics (17 questions, 2 materials, 23 cards, 0 videos).
7. Groundwater, water table, wells, and aquifers	S.Surface Water vs Groundwater	Covered	9	1	4	Covered by 1 topic (9 questions, 1 materials, 4 cards, 0 videos).
8. Properties of water that affect Earth systems	S.Properties of Water	Covered	14	1	6	Covered by 1 topic (14 questions, 1 materials, 6 cards, 0 videos).

SMR V.D Knows basic meteorology and major factors that affect climate and seasons

0 Qs0 Materials0 Cards0 VideosCoverage gap identified

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Basic meteorology	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.
2. Major factors that affect climate and seasons	None	Coverage gap identified	0	0	0	0	No matching topic found in the study guide.

SMR V.E Is familiar with astronomy

0 Qs0 Materials0 Cards0 VideosCoverage gap identified

Official Competency	Matching 240 Topics	Alignment	Notes
1. Major features of the solar system	None	Coverage gap identified	No matching topic found in the study guide.
2. Interactions of the Earth-Moon-Sun system	None	Coverage gap identified	No matching topic found in the study guide.
3. Major features of the universe and theories of its origins	None	Coverage gap identified	No matching topic found in the study guide.
4. Contributions of space missions, exploration, and technology	None	Coverage gap identified	No matching topic found in the study guide.

SCIENCE, TECHNOLOGY, AND SOCIETY (DOMAIN VI) Partially covered

SMR VI.A Understands the impact of science and technology on the environment and society

51 Qs5 Materials11 Cards0 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Notes
1. Air and water pollution	S.Human Influences on Climate	Covered	9	1	4	Covered by 1 topic (9 questions, 1 materials, 4 cards, 0 videos).
2. Greenhouse gases	S.Global Warming	Covered	21	1	4	Covered by 1 topic (21 questions, 1 materials, 4 cards, 0 videos).
3. Global climate and sea level change	S.Global Warming	Covered	21	1	4	Covered by 1 topic (21 questions, 1 materials, 4 cards, 0 videos).
4. Waste disposal	S.Human Impact on Ecosystems	Partially covered	7	1	1	Partial coverage by 1 topic (7 questions, 1 materials, 1 cards, 0 videos); limited supporting content.
5. Acid rain	S.Acid Rain	Partially covered	5	1	2	Partial coverage by 1 topic (5 questions, 1 materials, 2 cards, 0 videos); limited supporting content.
6. Loss of biodiversity	S.Human Impact on Ecosystems	Partially covered	7	1	1	Partial coverage by 1 topic (7 questions, 1 materials, 1 cards, 0 videos); limited supporting content.
7. Ozone depletion	S.Ozone Depletion	Covered	9	1	3	Covered by 1 topic (9 questions, 1 materials, 3 cards, 0 videos).

SMR VI.B Knows major issues associated with energy production and the management of natural resources

46 Qs5 Materials13 Cards1 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Air and water pollution	S.Human Influences on Climate; S.Human Impact on Ecosystems	Covered	16	2	5	0	Covered by 2 topics (16 questions, 2 materials, 5 cards, 0 videos).
2. Renewable and nonrenewable energy resources	S.Renewable vs Nonrenewable	Covered	17	1	4	1	Covered by 1 topic (17 questions, 1 materials, 4 cards, 1 videos).
3. Pros and cons of power generation based on various sources	S.Types of Power Sources	Partially covered	6	1	4	0	Partial coverage by 1 topic (6 questions, 1 materials, 4 cards, 0 videos); limited supporting content.
4. Use and extraction of Earth’s resources	S.Resource Extraction	Covered	7	1	5	0	Covered by 1 topic (7 questions, 1 materials, 5 cards, 0 videos).

SMR VI.C Is familiar with applications of science and technology in daily life

60 Qs8 Materials85 Cards1 VideosPartially covered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Vids	Notes
1. Chemical properties of household products	S.pH	Covered	18	1	4	1	Covered by 1 topic (18 questions, 1 materials, 4 cards, 1 videos).
2. Batteries, wireless devices, microchips, lasers, and fiber optics	S.Fiber Optics; S.Types of Voltage Sources	Covered	9	2	5	0	Covered by 2 topics (9 questions, 2 materials, 5 cards, 0 videos).
3. Communication satellites	S.Space Science Technology	Covered	6	1	25	0	Covered by 1 topic (6 questions, 1 materials, 25 cards, 0 videos).
4. Contributions of space technology	S.Key History of Space Science	Covered	10	1	50	0	Covered by 1 topic (10 questions, 1 materials, 50 cards, 0 videos).
5. Common agricultural practices	S.Agricultural Practices; S.Genetic Research - Agriculture	Covered	14	2	5	0	Covered by 2 topics (14 questions, 2 materials, 5 cards, 0 videos).
6. DNA evidence in criminal investigations	S.DNA as Evidence	Partially covered	3	1	0	0	Partial coverage by 1 topic (3 questions, 1 materials, 0 cards, 0 videos); limited supporting content.

SMR VI.D Is familiar with the impact of science on public-health issues

66 Qs8 Materials27 Cards0 VideosCovered

Official Competency	Matching 240 Topics	Alignment	Qs	Mats	Cards	Notes
1. Nutrition, disease, and medicine	S.Healthy and Unhealthy Lifestyles; S.Nutrition; S.Infectious Agents; S.Applications of Physical and Chemical Properties	Covered	43	4	20	Covered by 4 topics (43 questions, 4 materials, 20 cards, 0 videos).
2. Biotechnology	S.Ethics; S.Genetic Research	Covered	14	2	2	Covered by 2 topics (14 questions, 2 materials, 2 cards, 0 videos).
3. Medical technologies	S.Applications of Waves - Medical Technologies; S.Applications of Radioactivity	Covered	9	2	5	Covered by 2 topics (9 questions, 2 materials, 5 cards, 0 videos).

How 240 Creates The Praxis Middle School Science (5440) Study Guide

Learn more →

Every 240 study guide starts with the official exam framework. From there, we organize lessons, practice, and study tools around the categories the exam uses to measure candidate knowledge.

Review the official exam framework

We begin with the standards, domains, competencies, objectives, or content categories published by the testing authority.

Map the tested categories

We map every major area the exam is designed to cover so the guide reflects the real structure of the test.

Build lessons around tested content

We create study materials to support the official blueprint, not broad filler content.

Cross-check practice against exam expectations

We review practice content against the framework and real exam patterns so preparation stays targeted.

Review and update as standards change

When official frameworks change, we review guides and update alignment as needed.

Reviewed by subject-matter experts and maintained to reflect current standards.

Built By Teachers for Teachers

You're not on this journey alone. Our 240 teachers have firsthand experience with these exams. Real teachers with real experience are behind the scenes to help guide you into the classroom where YOU belong.

Samantha

Former NJ & Texas Teacher

Curriculum Specialist for 240

Tess

Former Illinois Teacher

Curriculum Coordinator for 240

Jalana

Former Texas Teacher

Special Education Curriculum Coordinator for 240

Dakota

Former Texas Teacher

Curriculum Specialist for 240

Abigail

Former Arizona & Illinois Teacher

Curriculum Coordinator for 240

Katy

Former Texas Teacher

Curriculum Writer for 240

Blair

Former Texas Teacher

Curriculum Writer for 240

Emily

Former Maine Teacher

Curriculum Writer for 240

Brooke

Former Idaho teacher

Curriculum Writer for 240

Hannah

Former Minnesota Teacher

Curriculum Writer for 240

Why 240 Is Better Than Other Generic Study Guides

Not all study guides are built the same way. Here is what separates a test-aligned guide from a generic one — and why it matters when you are preparing for the Praxis Middle School Science.

Generic

Generic Prep

✕Covers broad subject areas without structure

✕No clear connection to the official exam framework

✕Practice questions may not reflect the real test format

✕May not update when official standards change

~Can be helpful for quick, broad review

Test-aligned

240 Test-Aligned Praxis 5440 Prep

✓Every lesson maps to an official domain or competency

✓Built directly from the official exam framework

✓Practice questions aligned to what the exam actually measures

✓A clear study path by tested category

✓Study smarter and enter test day more prepared

FAQs About the Praxis Middle School Science Study Guide

The questions teacher candidates ask us most often about the Praxis Middle School Science study guide.

Is 240 a good study guide for Praxis Middle School Science?

240 is a strong option because the guide is built around the official exam framework and shows detailed alignment by SMR and competency.

How closely does 240 align to the Praxis 5440 exam?

This guide is 90% aligned based on a competency-by-competency review of the official framework and the study resources included in the guide.

Does 240 cover every competency?

This page shows coverage transparently across covered, partially covered, and identified gaps so candidates can see exactly how the guide maps to the exam.

What does “partially covered” mean?

Partially covered means the guide addresses the core parts of a competency, but some depth or subtopics may still be limited.

Study What's Actually on the Praxis 5440 Exam

Start with a study guide built around the real exam. 240's guide maps lessons and study tools to official competencies so you can prepare more efficiently and more confidently.